ceph: remove small mon addr limit; use CEPH_MAX_MON where appropriate

Get rid of separate max mon limit; use the system limit instead.  This
allows mounts when there are lots of mon addrs provided by mount.ceph (as
with a host with lots of A/AAAA records).

Signed-off-by: Sage Weil <sage@newdream.net>

fs/ceph/super.h

@@ -47,8 +47,6 @@
 	(!!((client)->mount_args.flags & CEPH_OPT_##opt))
 
 
-#define CEPH_MAX_MON_MOUNT_ADDR	5
-
 struct ceph_mount_args {
 	int sb_flags;
 	int flags;